单选题 Why did many countries of the South send students to the developed countries?

A、 Because these countries need trained personnel to develop their countries.
B、 Because the developed countries need more qualified professionals.
C、 Because these students can stay on in the developed countries after the training.
D、 Because these countries want to establish friendly relationship with the developed countries.

【正确答案】 A

【答案解析】文章第一段最后一句讲南部的国家把学生送到发达国家学习或接受培训是为了他们学成之后能够回来建设自己的祖国，使祖国更加现代化。[B]是文章最后一段所提到的一个事实，但不是这些国家送学生出国学习的原因。[C]是文章所述学生学成后不回国这个现象也不是原因。[D]文章并未提及。